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Studies on viscosity behaviour of alkali halides in aqueous N,N′ dimethyl urea solution

✍ Scribed by Vishnu; Vijai P. Misra

Publisher
Elsevier Science
Year
1979
Tongue
English
Weight
377 KB
Volume
24
Category
Article
ISSN
0013-4686

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✦ Synopsis

The viscosity bahaviour of ternary systems comprising akali halides (concentration range 0.125-3 M) in aqueous N,N' dimethyl urea (0.6 M) solution, over the temperature range 2540°C has been investigated. It has been found that Moulik's equation (r&)' = M + KC' holds good for these systems for the concentrated region. From the relative viscosity data, t~"effective" rigid molar volume, V, and apparent B coefficient have beea computed employing the Breslaa-Miller procedure at temperatures 25,30,35 and 40°C. These data have been used to explain the strwAuring effect in N,N' dimethyl urea solution.

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